Scituate is a seacoast town in Plymouth County, Massachusetts, United States, on the South Shore, midway between Boston and Plymouth. The population was 19,063 at the 2020 census. The Wampanoag and their neighbors inhabited the area for thousands of years. The name Scituate is derived from "satuit", the Wampanoag term for cold brook, which refe…Scituate is a seacoast town in Plymouth County, Massachusetts, United States, on the South Shore, midway between Boston and Plymouth. The population was 19,063 at the 2020 census. The Wampanoag and their neighbors inhabited the area for thousands of years. The name Scituate is derived from "satuit", the Wampanoag term for cold brook, which refers to a brook that runs to the inner harbor of the town.